Apparatus for the preparation of metallic oxids.



No. 818,786. PATENTED FEB. 27, 1906. L. FINK-HUGUENOT. APPARATUS FOR THE PREPARATION OF METALLIC OXIDS.

APPLICATION FILED JAN. 10, 1905.

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{swig attozmug MAAMUW UNITED srArns PATENT OFFICE.

LAURENT FINK-HUGUENOT, OF PARIS, FRANCE.

Annli ion filed anua y 10.1905. Serial Nc,240,483.

Specification of Letters Patent.

Patented Feb. 2'7, 19Q6.

u all whom it may concern.-

Be it known that I, LAURENT FINK-HUGUE- NOT, a citizen of the Republic of France, re siding at Paris, France, have invented certain new and useful Improvements in Apparatus for the Preparation of Metallic ()xids; and I do declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

This invention relates to improvements in apparatus for the pulverization of metals and the preparation of metallic oxide.

The object of the invention is to provide a simple, durable, and highly-efficient apparatus of this character by means of which tin may be rapidly and completelypulverized and oxidized.

In the accompanying drawings, Figure 1 is a vertical sectional view through an apparatus constructed in accordance with my invention. Fig. 2 is a detail vertical sectional view taken on the line 2 2 of Fig. 1 and showing the metallic oxid or powder receiving chamber provided with an increased number of et-tubes which supply the oxidizing-gases. Fig. 3 is a detail vertical sectional View taken on the line 3 3 of Fig. 1.

Referring to the drawings by numeral, 1 denotes a receiver or container for molten metal, which is admitted therein through an inlet-pipe 2, leading from a retort (not shown) and provided with a controlling valve or cock 3. Said container 1 is closed by a cover, in which are provided a suitable valve 6 and a cock 5. Screwed or otherwise secured in the upp er'portion of said container is a discharge nozzle or connection 4, which is formed with a central bore or passage 7 and a lower bore or passage 9 of greater diameter or size in cross-section than said passage 7 and disposedangularly below the same, as shown. These passages or conduits extend entirely through said discharge connection 4, which has formed upon its front or outer enda projection 11, disposed concentric with the passage 7, and

a upon its under side intermediate its ends a projection 4 in which is formed a bore or passage 10, having its upper end opening into said passage 9. Steam orother suitable gases are admitted into the passage or conduit 10 by means of a suitable connection, (not shown,) and the fused or molten metal in the ing adjacent to the bottom of said container.

The passage 9 has its inner emhopening at 9 into the interlor of the container above the normal level of the molten metal,.and

its outer end is disposed below said projection 11.

Upon the outer end ofthe discharge nozzle or connection 4 is screwed or otherwise, secured 'a cap 14, preferably in'the form of a truncated cone, as shown The small end of said conel is formed with a central opening or orifice 15, which alines with said passage, 7. Said end of the cone is also formed-with an annular flange 17, upon which is screwed or otherwise secured a cylinder or tube 18, which forms a receiving chamber or receptaole for the metallic oxid or powder, as hereinafter explained. The outer end of the tube 18 is formed with an opening 19, which is of slightl less diameter than the inner diameter of said tube, and projecting radially through said tube adjacent to its inner end is a series of burner-tubes 20 for a suitable oxidizing-gas. Any number of these burnertubes 20 may be employed. In Fig. 1 of the drawings I have shown two, while in Fig. 2 I have provided a greater number and marked them 20 20 and 20; but in both instances they are disposed radially and oppose each other, so as to form a blowpipe.

The operation of the apparatus is as follows: Metal in-a state of fusion is admitted through the pipe or conduit 2 into the receiver or container 1, and when the latter is sufficiently full the cock 3 is closed. Steam or any other suitable gas is then admitted into the passage 10, from which it passes out of the two branches of the diverging passage 9. That portion which passes out of its end 9 enters the container 1 and exerts a pressure upon the surface of the molten metal therein to cause the latter to be forced up through the tube 8 and out through the passage 7 in the discharge-nozzle 4. A stream of molten metal is thus projected with great force against the interior of the truncated cone l4 and at the same time is met by the jet of steam discharged out of the forward branch of the passage 9. Owing to the disposition of this passage 9 and the shape of the formiof a metallic oxid. This metallic oxid cone 14, a vortex stirring action is set up in l the latter and causes a through commingling of the metal and steam, so that as the steam expands the metal will be entirely pulverized. The shock which the metal in fusion receives as it strikes the fixed inner surface of the cone also tends to reduce the same to a powder. The powder thus formed is discharged from the cone 14 through the opening 15, and as it passes through the flame of the gas or gases entering through the tube 20, 20*, 20 or 20 said powder is thoroughly oxidized and falls into the receptacle 18 in the is removed from time to time through the opening 19 in the outer end of said tube or rece tacle 18.

rom the fore oing description, taken in connection with the accompanying drawings, the construction and operation of the inven-- tion will be readily understood without requiring a more extended explanation.

Various changes in the form, proportion, and the minor details of construction may be made without departing from the principle or sacrificing any of the advantages of the invention.

Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is-

An apparatus of the character described, com rising a container for molten metal, a disc iarge connection therefor formed with a conduit 7 for molten metal and conduits 9 and for an elastic fluid, and an apertured, truncated cone upon the outer end of said discharge connection, into which the forward end of the conduits 7 and 9 open, radiallyprojecting burner-tubes 20 extendin from said discharge connection, whereby w en an elastic fluid is admitted into said conduit 10, a portion will enter said container to force the molten metal therein out of said conduit 7 and into said cone and the remaining portion of said fluid will enter said cone and cause a vortex stirring action in the same and expel the mixture through the aperture in said cone, substantially as described.

In testimony whereof I have hereunto set my hand in presence of two subscribing witnesses.

LAURENT FINK-HUGUENOT.

Witnesses ANTOINE AUGIER, JOHN BAKER. 

